The output of LED lights is rated in lux, lumens or footcandles. What the heck do all of these terms mean when all we want to know is how bright the light is in f/stop, shutter speed and ISO? Here are the simple answers … Footcandles are for movies, video and television I remember working […]
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source https://photofocus.com/photography/how-bright-is-that-light-your-guide-to-lux-footcandles-and-exposure/
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